uvm_fault(0xfffffd806add2188, 0xf, 0, 1) -> e kernel: page fault trap, code=0 Stopped at ktrops+0x58: movq 0x10(%r14),%r14 TID PID UID PRFLAGS PFLAGS CPU COMMAND *113354 28931 0 0 0x4000000 0 syz-executor ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7cd240,ffff80003c9e1bd0,ffff80003c9e1b20) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c9e1bd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9e1bd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4e8f9af370, count: 10 https://www.openbsd.org/ddb.html describes the minimum info required in bug reports. Insufficient info makes it difficult to find and fix bugs. ddb> ddb> set $lines = 0 ddb> set $maxwidth = 0 ddb> show panic *cpu0: uvm_fault(0xfffffd806add2188, 0xf, 0, 1) -> e ddb> trace ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7cd240,ffff80003c9e1bd0,ffff80003c9e1b20) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c9e1bd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9e1bd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4e8f9af370, count: -5 ddb> show registers rdi 0xffff800039914000 rsi 0xb4d rbp 0xffff80003c9e18f0 rbx 0xfffffd8007bfb888 rdx 0xffff800039914000 rcx 0xb4c rax 0xffffffff830a83a3 ktrops+0x43 r8 0xfffffd800a7f9610 r9 0xfffffd8007bfb888 r10 0x38b2ad559eff9ffb r11 0x3c33ffa4b60ab56b r12 0xffff80002a7cd240 r13 0xffffffffffffffff r14 0xffffffffffffffff r15 0x80000538 __kernel_virt_to_phys+0x538 rip 0xffffffff830a83b8 ktrops+0x58 cs 0x8 rflags 0x10246 __ALIGN_SIZE+0xf246 rsp 0xffff80003c9e1870 ss 0 ktrops+0x58: movq 0x10(%r14),%r14 ddb> show proc PROC (syz-executor) tid=113354 pid=28931 tcnt=2 stat=onproc flags process=0 proc=4000000 runpri=17, usrpri=50, slppri=17, nice=20 wchan=0x0, wmesg=, ps_single=0x0 scnt=0 ecnt=0 forw=0xffffffffffffffff, list=0xffff80002a7cc548,0xffff80002a7cd780 process=0xffff80003c9c04a0 user=0xffff80003c9dc000, vmspace=0xfffffd806add2188 estcpu=36, cpticks=1, pctcpu=0.0, user=0, sys=1, intr=0 ddb> ps PID TID PPID UID S FLAGS WAIT COMMAND 17592 55930 77473 0 2 0 syz-executor 17592 214339 77473 0 3 0x4000080 fsleep syz-executor 55627 496895 73014 0 2 0 syz-executor 55627 358871 73014 0 3 0x4000080 fsleep syz-executor 28931 288749 67918 0 2 0 syz-executor *28931 113354 67918 0 7 0x4000000 syz-executor 53838 226283 63586 0 2 0 syz-executor 53838 419572 63586 0 3 0x4000080 fsleep syz-executor 53838 22109 63586 0 3 0x4000080 fsleep syz-executor 36337 29091 96056 0 2 0 syz-executor 36337 212779 96056 0 3 0x4000080 fsleep syz-executor 76591 398506 6753 0 2 0 syz-executor 76591 449895 6753 0 3 0x4000080 fsleep syz-executor 76591 313519 6753 0 3 0x4000080 fsleep syz-executor 73014 242001 67562 0 3 0x82 nanoslp syz-executor 67918 297828 67562 0 3 0x82 nanoslp syz-executor 5212 369916 0 0 3 0x14280 nfsidl nfsio 24351 508562 0 0 3 0x14280 nfsidl nfsio 84092 483623 0 0 3 0x14280 nfsidl nfsio 22933 34205 0 0 3 0x14280 nfsidl nfsio 20539 262896 0 0 3 0x14280 nfsidl nfsio 29045 290279 0 0 3 0x14280 nfsidl nfsio 69789 453975 0 0 3 0x14280 nfsidl nfsio 86140 498895 0 0 3 0x14280 nfsidl nfsio 73287 501959 0 0 3 0x14280 nfsidl nfsio 6626 168859 0 0 3 0x14280 nfsidl nfsio 52570 5190 0 0 3 0x14280 nfsidl nfsio 35652 248937 0 0 3 0x14280 nfsidl nfsio 74384 345932 0 0 3 0x14280 nfsidl nfsio 44161 34568 0 0 3 0x14280 nfsidl nfsio 81125 347029 0 0 3 0x14280 nfsidl nfsio 33908 97835 0 0 3 0x14280 nfsidl nfsio 10780 321247 0 0 3 0x14280 nfsidl nfsio 15218 247408 0 0 3 0x14280 nfsidl nfsio 13331 427084 0 0 3 0x14280 nfsidl nfsio 52962 1182 0 0 3 0x14280 nfsidl nfsio 63586 89261 67562 0 3 0x82 nanoslp syz-executor 77473 76041 67562 0 3 0x82 nanoslp syz-executor 6753 441453 67562 0 3 0x82 nanoslp syz-executor 65056 170084 67562 0 3 0x82 wait syz-executor 99012 101230 67562 0 2 0x2 syz-executor 96056 221034 67562 0 3 0x82 nanoslp syz-executor 67562 23596 3767 0 3 0x82 kqread syz-executor 3767 142896 46386 0 3 0x10008a sigsusp ksh 46386 429253 6149 0 3 0x98 kqread sshd-session 6149 463889 977 0 3 0x92 kqread sshd-session 60773 120040 1 0 3 0x100083 ttyin getty 977 59037 1 0 3 0x88 kqread sshd 99125 441503 95157 73 3 0x1100090 kqread syslogd 95157 138354 1 0 3 0x100082 sbwait syslogd 99019 233536 1 0 3 0x100080 kqread resolvd 8809 254831 84706 77 3 0x100092 kqread dhcpleased 15064 476328 84706 77 3 0x100092 kqread dhcpleased 84706 208366 1 0 3 0x80 kqread dhcpleased 26584 240638 0 0 3 0x14200 bored smr 33506 457878 0 0 2 0x14200 zerothread 40684 236602 0 0 3 0x14200 aiodoned aiodoned 47015 307246 0 0 3 0x14200 syncer update 30810 58538 0 0 3 0x14200 cleaner cleaner 77274 399954 0 0 3 0x14200 reaper reaper 98930 473374 0 0 3 0x14200 pgdaemon pagedaemon 81772 31734 0 0 3 0x14200 bored viomb 35183 318151 0 0 3 0x40014200 acpi0 acpi0 39578 329631 0 0 3 0x14200 bored softnet0 47143 334432 0 0 3 0x14200 bored systqmp 44779 469283 0 0 3 0x14200 bored systq 60191 293510 0 0 3 0x40014200 tmoslp softclock 48781 412393 0 0 3 0x40014200 idle0 1 32194 0 0 3 0x82 wait init 0 0 -1 0 3 0x10010200 scheduler swapper ddb> show all locks No such command ddb> show malloc Type InUse MemUse HighUse Limit Requests Type Lim devbuf 10202 11043K 11369K 166960K 11724 0 pcb 17 12K 12K 166960K 106 0 rtable 228 9K 9K 166960K 487 0 pf 30 12K 15K 166960K 101 0 ifaddr 39 6K 7K 166960K 67 0 ifgroup 50 2K 2K 166960K 80 0 sysctl 1 1K 9K 166960K 7 0 counters 32 17K 18K 166960K 116 0 ioctlops 0 0K 4K 166960K 183 0 iov 0 0K 12K 166960K 17 0 mount 1 1K 1K 166960K 1 0 log 0 0K 0K 166960K 4 0 vnodes 1376 87K 87K 166960K 1820 0 UFS quota 1 32K 32K 166960K 1 0 UFS mount 5 36K 36K 166960K 5 0 shm 2 1K 5K 166960K 11 0 VM map 2 1K 1K 166960K 2 0 sem 11 0K 0K 166960K 78 0 dirhash 12 2K 2K 166960K 15 0 ACPI 1692 195K 286K 166960K 12470 0 file desc 17 61K 97K 166960K 527 0 sigio 0 0K 0K 166960K 9 0 proc 60 59K 116K 166960K 569 0 subproc 72 4K 4K 166960K 90 0 NFS srvsock 1 0K 0K 166960K 1 0 NFS daemon 1 16K 16K 166960K 1 0 ip_moptions 0 0K 0K 166960K 43 0 in_multi 85 6K 7K 166960K 134 0 ether_multi 1 0K 0K 166960K 3 0 mrt 0 0K 0K 166960K 3 0 ISOFS mount 1 32K 32K 166960K 1 0 MSDOSFS mount 1 16K 16K 166960K 1 0 ttys 259 1155K 1155K 166960K 259 0 exec 0 0K 1K 166960K 450 0 fusefs mount 1 32K 32K 166960K 1 0 pfkey data 0 0K 0K 166960K 1 0 tdb 3 0K 0K 166960K 3 0 VM swap 8 62K 64K 166960K 10 0 UVM amap 229 150K 165K 166960K 6667 0 UVM aobj 5 2K 2K 166960K 5 0 pinsyscall 38 76K 96K 166960K 1667 0 memdesc 1 4K 4K 166960K 1 0 crypto data 1 1K 1K 166960K 1 0 ip6_options 0 0K 0K 166960K 26 0 NDP 11 0K 2K 166960K 44 0 temp 58 8647K 8774K 166960K 25955 0 kqueue 17 26K 34K 166960K 99 0 SYN cache 2 16K 16K 166960K 2 0 ddb> show all pools Name Size Requests Fail Releases Pgreq Pgrel Npage Hiwat Minpg Maxpg Idle rtpcb 120 68 0 65 1 0 1 1 0 8 0 rtentry 136 144 0 52 4 0 4 4 0 8 0 unpcb 144 488 0 473 6 0 6 6 0 8 5 syncache 336 5 0 5 2 1 1 1 0 8 1 tcpqe 32 2 0 2 2 1 1 1 0 8 1 tcpcb 736 227 0 221 10 3 7 7 0 8 6 arp 96 22 0 4 1 0 1 1 0 8 0 ipq 40 2 0 0 1 0 1 1 0 8 0 ipqe 40 2 0 0 1 0 1 1 0 8 0 inpcb 328 472 0 462 9 2 7 7 0 8 5 ip6q 72 5 0 1 1 0 1 1 0 8 0 ip6af 40 6 0 2 1 0 1 1 0 8 0 nd6 112 31 0 12 1 0 1 1 0 8 0 pkpcb 40 3 0 3 1 0 1 1 0 8 1 kcovpl 48 10 0 2 1 0 1 1 0 8 0 ppxss 1072 82 0 82 2 1 1 1 0 8 1 pftag 88 2 0 0 1 0 1 1 0 8 0 pfrule 1344 3 0 3 1 0 1 1 0 8 1 rttmr 136 1 0 1 1 1 0 1 0 8 0 art_heap8 4096 3 0 0 3 0 3 3 0 8 0 art_heap4 256 619 0 217 32 2 30 32 0 8 3 art_table 40 622 0 217 6 0 6 6 0 8 0 art_node 32 143 0 60 1 0 1 1 0 8 0 sysvmsgpl 40 1 0 1 1 0 1 1 0 8 1 semapl 112 75 0 66 1 0 1 1 0 8 0 shmpl 112 2 0 0 1 0 1 1 0 8 0 dirhash 1024 19 0 2 3 0 3 3 0 8 0 dino2pl 256 2393 0 890 95 0 95 95 0 8 0 ffsino 256 2393 0 890 95 0 95 95 0 8 0 nchpl 144 3090 0 1391 64 0 64 64 0 8 0 rtmask 32 6 0 6 2 1 1 1 0 8 1 vnodes 216 2670 0 0 149 0 149 149 0 8 0 namei 1024 10357 0 10356 4 2 2 2 0 8 1 kstatmem 264 48 0 26 2 0 2 2 0 8 0 scsiplug 72 2 0 2 1 0 1 1 0 8 1 scxspl 216 10325 0 10325 9 1 8 8 1 8 8 plimitpl 152 195 0 177 1 0 1 1 0 8 0 sigapl 424 836 0 774 8 0 8 8 0 8 0 knotepl 120 18540 0 18271 11 1 10 10 0 8 1 kqueuepl 184 132 0 118 1 0 1 1 0 8 0 pipepl 304 161 0 134 3 0 3 3 0 8 0 fdescpl 448 801 0 772 5 1 4 5 0 8 0 filepl 120 4762 0 4541 12 1 11 11 0 8 2 lockfpl 104 163 0 161 1 0 1 1 0 8 0 lockfspl 48 70 0 68 1 0 1 1 0 8 0 sessionpl 144 25 0 17 1 0 1 1 0 8 0 pgrppl 48 46 0 30 1 0 1 1 0 8 0 ucredpl 104 1108 0 1097 1 0 1 1 0 8 0 zombiepl 144 1039 0 1038 2 1 1 1 0 8 0 processpl 1152 836 0 774 5 0 5 5 0 8 0 procpl 664 1540 0 1470 7 0 7 7 0 8 0 sosppl 176 4 0 4 1 0 1 1 0 8 1 sockpl 552 1045 0 1017 16 5 11 13 0 8 8 mcl64k 65536 43 0 42 2 1 1 1 0 8 0 mcl8k 8192 10 0 10 2 1 1 1 0 8 1 mcl4k 4096 2952 0 2901 15 7 8 14 0 8 1 mcl2k2 2112 1 0 1 1 0 1 1 0 8 1 mcl2k 2048 716 0 711 4 2 2 2 0 8 1 mtagpl 96 8 0 4 2 1 1 1 0 8 0 mbufpl 256 8773 0 8567 21 2 19 19 0 8 4 bufpl 280 3993 0 119 277 0 277 277 0 8 0 anonpl 24 136394 0 133252 54 10 44 44 0 187 18 amapchunkpl 152 21432 0 20948 33 4 29 29 0 158 9 amappl16 200 2158 0 2125 17 7 10 14 0 8 8 amappl15 192 6 0 5 1 0 1 1 0 8 0 amappl14 184 5 0 5 1 1 0 1 0 8 0 amappl13 176 435 0 433 1 0 1 1 0 8 0 amappl12 168 1157 0 1119 2 0 2 2 0 8 0 amappl11 160 8 0 7 1 0 1 1 0 8 0 amappl10 152 41 0 31 1 0 1 1 0 8 0 amappl9 144 249 0 249 1 1 0 1 0 8 0 amappl8 136 19 0 18 1 0 1 1 0 8 0 amappl7 128 100 0 99 1 0 1 1 0 8 0 amappl6 120 287 0 276 1 0 1 1 0 8 0 amappl5 112 88 0 80 1 0 1 1 0 8 0 amappl4 104 398 0 377 1 0 1 1 0 8 0 amappl3 96 3536 0 3444 3 0 3 3 0 8 0 amappl2 88 924 0 853 2 0 2 2 0 8 0 amappl1 80 11096 0 10560 13 0 13 13 0 8 0 amappl 88 5849 0 5688 5 0 5 5 0 92 0 uvmvnodes 80 2670 0 0 55 0 55 55 0 8 0 dma16384 16384 1 0 1 1 0 1 1 0 8 1 dma4096 4096 1 0 1 1 1 0 1 0 8 0 dma1024 1024 1 0 0 1 0 1 1 0 8 0 dma256 256 6 0 6 1 1 0 1 0 8 0 dma128 128 253 0 253 1 1 0 1 0 8 0 dma64 64 6 0 6 1 1 0 1 0 8 0 dma32 32 7 0 7 1 1 0 1 0 8 0 dma16 16 18 0 17 1 0 1 1 0 8 0 aobjpl 72 4 0 0 1 0 1 1 0 8 0 uaddrrnd 24 801 0 772 1 0 1 1 0 8 0 uaddrbest 32 2 0 0 1 0 1 1 0 8 0 uaddr 24 801 0 772 1 0 1 1 0 8 0 vmmpekpl 168 8097 0 8054 3 0 3 3 0 8 0 vmmpepl 168 58224 0 56438 95 3 92 92 0 357 10 vmsppl 368 800 0 772 4 1 3 4 0 8 0 rwobjpl 40 20905 0 17391 36 0 36 36 0 8 0 pdppl 4096 1609 0 1544 101 34 67 83 0 8 2 pvpl 32 363261 0 354080 127 19 108 108 0 265 19 pmappl 216 800 0 772 3 0 3 3 0 8 0 extentpl 40 45 0 27 1 0 1 1 0 8 0 phpool 112 402 0 59 11 0 11 11 0 8 0 ddb> machine ddbcpu 0 No such command ddb> trace ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7cd240,ffff80003c9e1bd0,ffff80003c9e1b20) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c9e1bd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9e1bd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4e8f9af370, count: -5 ddb> machine ddbcpu 1 No such command ddb> trace ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 ktrcanset sys/kern/kern_ktrace.c:727 [inline] ktrops(ffff80002a7cd240,ffffffffffffffff,0,80000538,fffffd800a7f9610,fffffd8007bfb888) at ktrops+0x58 sys/kern/kern_ktrace.c:570 doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd ktrsetchildren sys/kern/kern_ktrace.c:595 [inline] doktrace(fffffd800a7f9610,4,538,0,ffff80002a7cd240) at doktrace+0x6bd sys/kern/kern_ktrace.c:517 sys_ktrace(ffff80002a7cd240,ffff80003c9e1bd0,ffff80003c9e1b20) at sys_ktrace+0x11c sys/kern/kern_ktrace.c:558 syscall(ffff80003c9e1bd0) at syscall+0x962 mi_syscall sys/sys/syscall_mi.h:-1 [inline] syscall(ffff80003c9e1bd0) at syscall+0x962 sys/arch/amd64/amd64/trap.c:765 Xsyscall() at Xsyscall+0x128 end of kernel end trace frame: 0x4e8f9af370, count: -5